Keyboard



FIG. 1 is a top perspective view of a keyboard showing our new design in a first state;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is a front view thereof;

FIG. 9 is a top perspective view of the keyboard of FIGS. 1-8 showing a portion of a keyboard in a second state;

FIG. 10 is a bottom perspective view thereof;

FIG. 11 is a top view thereof;

FIG. 12 is a bottom view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a rear view thereof;

FIG. 16 is a front view thereof;

FIG. 17 is a top perspective view of the keyboard of FIGS. 1-8 showing a portion of a keyboard in a third state;

FIG. 18 is a rear perspective view thereof;

FIG. 19 is a top view thereof;

FIG. 20 is a bottom view thereof;

FIG. 21 is a right side view thereof;

FIG. 22 is a left side view thereof;

FIG. 23 is a rear view thereof; and,

FIG. 24 is a front view thereof.

The broken line showing of the remainder of the keyboard is for environmental purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a keyboard, as shown and described. 